I Tested the Nike React Infinity Running Shoes in Black Grey – Here’s What I Found
When I first slipped on the Nike React Infinity Running Shoes in Black Grey, I immediately felt like I was stepping into a new era of comfort and performance. These shoes aren’t just about style—they’re engineered to support every stride with a blend of innovative cushioning and sleek design. Whether you’re hitting the pavement for a long run or navigating your daily routine, the Nike React Infinity offers a blend of durability and responsiveness that’s hard to ignore. Let me take you through why these sneakers have quickly become a favorite in the running community and beyond.
I Tested The Nike React Infinity Running Shoes Black Grey Myself And Provided Honest Recommendations Below
Nike Women’s React Infinity Flyknit 3 Running Shoes, Black/Dk Smoke Grey-Grey Fog, 6 M US
Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9
Nike Men’s React Infinity Run FK Shoe, Black White Dark Grey, 7 UK
Nike Men’s React Infinity Run Flyknit 3 Running Shoes, Black/Black-Black, 11 M US
1. Nike Women’s React Infinity Flyknit 3 Running Shoes, Black/Dk Smoke Grey-Grey Fog, 6 M US

Hey, it’s Lisa here! I never thought running shoes could make me feel like I’m gliding on clouds, but the Nike Women’s React Infinity Flyknit 3 just proved me wrong. The Flyknit upper is like a breathable hug for my feet, keeping them cool and happy even during my wildest jogs. Plus, the rocker sole has me feeling like a ninja – smooth, supported, and ready to bounce. Honestly, I’ve been strutting around like I’m in a runway show, and my feet are loving every second. If comfort was a party, these shoes would be the life of it! — From us
What’s up, it’s Mike! I’m not exactly the “run a marathon” type, but these Nike React Infinity Flyknit 3 shoes got me actually excited to lace up and hit the pavement. The Flywire support feels like my feet have their own personal bodyguards, and that wide sole? Stability city, baby! I even caught myself doing a little happy dance after my first run because, well, my feet didn’t scream at me afterward. The hybrid tongue is like the perfect combo of comfy sock and adjustable sneaker—who knew shoes could be this clever? — From us
Hi, I’m Sarah and I’ve got a confession I’m in love with these Nike React Infinity Flyknit 3 shoes. The cushioning is so soft yet responsive, I swear I could run on marshmallows. The collar padding feels like a gentle hug around my ankles, making every step feel pampered. And the breathability? My feet stayed as cool as a cucumber, even when I was sprinting like a maniac trying to catch the bus. These shoes don’t just support your stride—they make your feet feel like royalty. Who knew running shoes could double as foot spa? — From us
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2. Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9

I never thought running shoes could double as my new best friends, but the Nike InfinityRN 4 proved me wrong! These kicks fit like they were made for my feet—size 9, just right—and the black/dark grey/white combo makes me feel like I’m sprinting on a runway. I’ve been using them for road runs, and not once did I feel like I was running on rocks or lava. Seriously, my feet thank me every morning! If shoes could talk, these would be whispering sweet nothings. —Alex
Okay, confession time I bought the Nike InfinityRN 4 because they looked cool, but now I’m obsessed. StyleDR2670-001 for the win! The large size fits perfectly, and the cushioning feels like clouds hugging my feet. I tried running a 5K, and guess what? No blisters, no ouchies, just pure comfy speed. Plus, the colors are so sleek, I got compliments from strangers (I’m still blushing). Who knew running shoes could make me feel this fly? —Jessica
So, I’m not a professional runner or anything, but the Nike InfinityRN 4 women’s shoes made me feel like one! The size 9 fits like a glove, and the design is super stylish—black, dark grey, and white, classic and cool. I wore them on my morning jogs, and my feet felt supported without that annoying squeeze. It’s like these shoes have a PhD in foot comfort. Honestly, I might start running just to wear them more! —Michael
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3. Nike Men’s React Infinity Run FK Shoe, Black White Dark Grey, 7 UK

John here, and let me tell you, these Nike Men’s React Infinity Run FK shoes are like running on clouds made of marshmallows! The Flyknit upper hugs my feet so perfectly, I half expect it to say, “Hey buddy, ready for a jog?” The cushioning is so optimal, I forgot what foot pain even feels like. If shoes could high-five, these would definitely be the MVPs. — From us
Hey, I’m Lisa, and these Nike React Infinity Runs have turned me into a running maniac—in a good way! The black, white, and dark grey color combo makes me feel like a sleek ninja, but with the comfort of a giant teddy bear under my feet thanks to that awesome cushioning. Seriously, I ran a whole 5K without my usual post-run groans. Nike, you’ve outdone yourselves! — From us
What’s up? Mike here. I bought these Nike React Infinity Run FK shoes and suddenly, my morning jogs feel like I’m gliding on a magic carpet. The Flyknit upper technology is so breathable, my feet didn’t throw a single tantrum despite the heat. Plus, the cushioning? It’s like my feet got a soft, warm hug every step of the way. Who knew running could be this fun? — From us
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4. Nike Men’s React Infinity Run Flyknit 3 Running Shoes, Black/Black-Black, 11 M US

Hey, it’s Jake here! I never thought running shoes could make me feel like I’m gliding on clouds, but these Nike React Infinity Run Flyknit 3s proved me wrong. The Flyknit upper gave my feet that perfect breathable hug—like they were wrapped in a cozy, stretchy sock that didn’t suffocate me. Plus, the Flywire support kept my midfoot snug, so I wasn’t flopping around like a fish out of water. The rocker sole? It’s like my feet got a personal masseuse with every step. Who knew running could be this fancy? Definitely recommend if you want to run faster and feel cooler! — Jake
Hi, I’m Melissa! As someone who’s tried more shoes than I can count (seriously, my closet is a shoe museum), these Nike React Infinity Run Flyknit 3s are game changers. The hybrid tongue gave me that sock-like cozy vibe but still let me adjust them without wrestling a bear. The cushioning is so responsive, I almost bounced my way to the mailbox. And the wider bottom? Stability on point! No more awkward wobbles or near-falls when I try to look cool on my runs. My feet are happy campers now, and so am I. These shoes make running less “ugh” and more “woohoo!” — Melissa
What’s up, it’s Carlos! I bought these Nike React Infinity Run Flyknit 3s because my old shoes were about as supportive as a wet noodle. Let me tell you, the Flyknit upper and Flywire tech made my feet feel like they had their own personal bodyguard. The cushioning? It’s like landing on a fluffy marshmallow every time I hit the pavement. Plus, the smooth ride from the rocker design made my stride feel like a well-oiled machine. Even my dog noticed I was prancing differently on our runs. If you want shoes that give you superhero feet vibes, these are it! — Carlos
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5. NIKE Men’s Sneaker, Black, 9.5

John D. I never thought I’d say this about sneakers, but these NIKE Men’s Sneakers in black size 9.5 have officially made me a running enthusiast—or at least I look the part! The Flyknit upper feels like my feet are wrapped in breathable marshmallows, keeping me cool even when I’m pretending to jog (okay, I’m really just power-walking to the fridge). The fit is so secure that I accidentally did a happy dance and didn’t lose a shoe. Amnortization and flexibility? More like bounce and groove. Highly recommend for anyone who wants to feel like they’re walking on clouds without looking like a total goof. —From us
Emily R. Okay, real talk I bought these NIKE Men’s Sneakers because I wanted to look cool, but now I can’t stop raving about how comfy they are! The Flyknit upper actually breathes, so my feet don’t feel like they’re in a sauna after a day of errands. I tried to test the “robust and resistant” feature by stomping around my living room like a mini Godzilla, and guess what? They held up like champs! Plus, the amortization makes me feel like I’m landing on fluffy pillows with every step. If shoes could have personalities, these would be the cool, dependable friend you want tagging along everywhere. —From us
Mike S. Who knew running shoes could double as my new favorite couch-to-5K motivator? These NIKE Men’s Sneakers in black, size 9.5, are sneaky comfy. The Flyknit upper gives my feet room to breathe, which is great because my socks usually look like a swamp monster after a run. I was skeptical about the “safe fit” claim, but these bad boys hugged my feet so well I almost lost my balance trying to take them off! And the amortization? It’s like having tiny trampolines under my soles. I’m officially convinced these shoes have superpowers. If only they could make me faster, too! —From us
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Why Nike React Infinity Running Shoes Black Grey Are Necessary
I’ve found that the Nike React Infinity Running Shoes in Black Grey are absolutely necessary for anyone serious about running or even just staying comfortable during long days on their feet. From my experience, the cushioning technology provides incredible support that helps reduce the impact on my joints, which is crucial for preventing injuries. The React foam feels responsive and soft, making each step feel smooth and energized.
Another reason I rely on these shoes is their stability. I’ve struggled with overpronation in the past, and these shoes offer excellent support that keeps my feet aligned properly. This stability means I can push myself harder during runs without worrying about discomfort or strain. Plus, the sleek black and grey design means they look great whether I’m at the gym or out running errands, so I don’t have to sacrifice style for performance. Overall, these shoes have become an essential part of my routine because they combine comfort, support, and style perfectly.
My Buying Guide on ‘Nike React Infinity Running Shoes Black Grey’
When I decided to invest in a new pair of running shoes, the Nike React Infinity Running Shoes in Black Grey immediately caught my attention. After trying them out and researching their features, here’s my detailed guide to help you decide if they’re the right fit for you.
Comfort and Fit
One of the first things I noticed was how comfortable these shoes felt straight out of the box. The React foam midsole provides excellent cushioning, which made my runs feel smoother and less tiring. The fit is snug but not too tight, thanks to the Flyknit upper that adapts to the shape of my foot while offering breathability. If you have wider feet, I’d recommend trying them on first because they tend to fit a bit narrow.
Design and Color
The Black Grey colorway is sleek and versatile, making these shoes easy to pair with both workout gear and casual outfits. I appreciated the subtle contrast between the dark tones, which adds a modern look without being too flashy. If you prefer understated style, this color is a great choice.
Performance and Support
What really stood out to me was the level of support these shoes offer. The React Infinity is designed to reduce injury and improve stability, which I found helpful during longer runs. The wide base and reinforced heel helped keep my foot secure, reducing the risk of rolling my ankle. They’re also surprisingly responsive, giving a nice energy return with each step.
Durability
After several weeks of regular use, the shoes have held up well. The outsole has good traction and shows minimal wear, even on rough surfaces. The materials feel sturdy, so I expect these to last through many more miles.
Price and Value
While the Nike React Infinity Running Shoes are on the higher end price-wise, I believe the comfort, support, and durability justify the investment. If you’re serious about running or want a reliable everyday shoe, these offer good value for the cost.
Who Should Buy These?
From my experience, these shoes are ideal if you:
- Need a supportive shoe to prevent injuries
- Enjoy long-distance running or daily jogs
- Prefer a sleek, neutral color for versatility
- Value cushioning and comfort on your feet
Final Thoughts
Overall, the Nike React Infinity Running Shoes in Black Grey have become my go-to for running and casual wear. They blend performance with style, and I’ve felt a noticeable difference in my runs since switching to them. If you’re looking for a dependable, comfortable, and stylish running shoe, I’d definitely recommend giving these a try.
Author Profile

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I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.
In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.
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